Parsonsia rubra Kaneh. & Hatus.

Species

Angiosperms > Gentianales > Apocynaceae > Parsonsia

Characteristics

Branchlets sparsely puberulent. Leaves opposite; petiole 1.2-3.5 cm long; blade coriaceous to subcoriaceous, elliptic, 7.1-15 by 1.8-8.7 cm, 1.7-4.2 times as long as wide, apex acuminate, base cordate to acute, glabrous or sparsely and minutely puberulent beneath, usually glaucous, 7-10 pairs of secondary veins, ascending, tertiary venation densely reticulate. Inflorescence of axillary and/or pseudoterminal cymes, 5.5-13 cm long; puberulent; peduncles 3.4-8 cm long; pedicels 4-7 mm long. Sepals ovate, 1-1.9 by 0.7-1.6 mm, 0.9-1.9 times as long as wide, apex acuminate to obtuse, sparsely puberulent. Corolla red, buds cylindrical with a slightly wider head, lobes slightly overlapping, open corolla with erect lobes; tube 1.8-3.8 mm long, 1.2-3.5 times as long as sepals, 0.4-0.9 times as long as lobes; lobes narrowly triangular, 3.8-6.5 by 0.9-1.8 mm; glabrous to sparsely puberulent outside, densely pubescent in throat with downward pointing hairs. Stamens inserted at 0.8-1.3 mm from corolla base which is 0.2-0.4 of tube length; filaments straight, pubescent, with 2 large projections on either side, 2.3-4.7 mm long; anthers with incurving tails, 3-4.4 by 0.5-0.8 mm, 4.8-6 times as long as wide. Disk oblong to narrowly triangular, occasionally fused at base, apex acute to rounded, 0.9-1.5 mm long. Ovary 0.8-1.4 mm long; style 2.3-4.9 mm long; style head 0.9-1.4 mm long. Fruit linear, glabrous, 9.5-14.2 cm by 8-9 mm. Seeds: grain 11-11.5 by 2.4-2.6 mm; coma 2.4-2.5 cm long.
Life form perennial
Growth form shrub
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Sexuality hermaphrodite
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Usage

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Cultivation

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Distribution

Parsonsia rubra world distribution map, present in Papua New Guinea

Identifiers

LSID urn:lsid:ipni.org:names:80996-1
WFO ID wfo-0000264869
COL ID 4DTGL
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Wikipedia (EN)
Wikipedia (FR)

Synonyms

Parsonsia rubra